Yes, new ropes. I've not read of drop tests done on dry vs. non-dry ropes that are otherwise identical and which have been subjected to equivalent controlled use/abrasion/ageing. That sounds like a lot of work! Even the UIAA study you are referring to did not perform any drop tests, making the conclusion that none of the various dry treatments provide a long-term benefit premature (as the authors themselves acknowledged).

Well, it sounds like the dry treatment may be good if I want to project a 5.13 move right out of the belay and there are no other pro options. Interestingly enough, you mentioned that the dry treatment increases the number of falls held, yet no manufacturer differentiates specifications between dry treated and non-dry treated versions of any model of rope they make.